Notes from the email trenches.
Deliverability, DNS, protocols, pricing. Written by the team building JustEmails.
Franchise Email Cost Breakdown: 10 to 200 Locations (2026)
Per-seat email pricing crushes franchise margins. The 257x cost gap revealed.
50-Domain Agency Email Cost: Flat-Fee vs Per-Mailbox (2026 Math)
50 domains costs $42K/year on Google—or $49 flat-fee. The math changes everything.
Business Email Security Glossary: 40 Terms Every Admin Should Know (2026)
40 email security terms in plain English — from phishing to DMARC.
Static Site Form SMTP: Connect Formspree & Web3Forms to Your Domain
Stop losing leads to spam. Route static site forms through your SMTP.
DKIM 'Body Hash Did Not Verify': Causes and Fixes
DKIM body hash failed? Something modified your email in transit. Find the culprit and fix it.
GitLab CI SMTP Notifications: 2026 Setup Guide
GitLab CI SMTP setup with DKIM. Stop missing failed builds.
Email Deliverability Statistics 2027: Inbox Rates, Authentication Adoption, and Spam Trends
2027 email deliverability projections: 86% inbox placement, 73% DMARC adoption, 15% spam volume drop post-bulk-sender rules. Every figure cited.
Fix Inbound Spam on a Custom Domain (2026)
Stop spam on your custom domain: how Rspamd scoring and greylisting work, and the controls you actually get on a managed host.
Why Gmail Shows 'via' Next to Your Sender Name (and How to Remove It)
That 'via sendgrid.net' or 'via mailgun.org' tag next to your From name screams third-party sender. Here's what causes it, how to fix it with custom DKIM, and how to verify it's gone.
Mailbox Full and Bouncing Inbound Mail? Managing Email Storage the Right Way
Your mailbox hit quota and senders got a 552 bounce. Here's how to diagnose, archive vs delete, set retention, and plan storage so it doesn't happen again.
Stuck in a Mail Loop? Diagnosing and Breaking Email Forwarding Loops
Your inbox flooded with 847 copies of the same message. Here's how to read Received headers, find the loop, and fix it.
Fix Emails Going to Junk in Apple Mail and iPhone (2026)
Apple junk filtering decoded. Fix it now.